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02 Pomtiac Bonneville SSEI Help?

Loud ticking noise at startup then goes away after a few seconds and runs fine with no noise whatsoever. What is causing loud ticking at startup?

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  • Cars & Trucks Master
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This sound like you have either delay on internal lubrication to tappets,most probably due to correct oil either change or viscosity.
In how many miles you do change the oil ? Just do an engine oil flush and a engine oil & filter change using also a viscosity improve and follow for a different engine behavior.

Posted on Nov 22, 2013

  • patriotsxxx6
    patriotsxxx6 Nov 22, 2013

    I use synthetic every 5000. It's actually due now but a little nervous the engine is going or something

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Posted on Jan 02, 2017

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SOURCE: LOUD TICKING NOISE IN ENGINE AFTER INTAKE REPAIR

How long have you ran the engine ? I know that they will run rough and sometimes make strange noises for a few secounds or a little bit untill everything get oiled up again. I would make sure all the push rods are back in the right place and that all the lifters are tight.

Posted on Jan 18, 2009

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SOURCE: Lifter ticking when I start my 1999 Chevy Tahoe

Your lifters have become clogged over the years. Its only after the oil warms up and thins out does it allow oil to "pump up" the lifters. That's why it goes quiet after 5 min. There are several different brands of additives on the market that can fix this problem ,unless you have a more serious mechanical problem, which I doubt.Check your local auto parts store for the additive. Just add it to your oil and "wham!" problem solved. Good Luck!

Posted on Jun 16, 2009

  • 194 Answers

SOURCE: Ticking Noise at Startup

Possibly a leaking hydraulic lifter. They can leak down while engine isn't running and then make a ticking noise for a while on startup. If it takes 10-15 minutes to go away, it is more likely to be a loose tappet which needs adjusting.

Posted on Aug 03, 2009

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Ticking Noise at Startup


Possibly a leaking hydraulic lifter. They can leak down while engine isn't running and then make a ticking noise for a while on startup. If it takes 10-15 minutes to go away, it is more likely to be a loose tappet which needs adjusting.

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